📖 What Does B0878 Mean?
Symptoms
- • Engine will not start
- • engine starts and stalls
- • or engine starts and runs rough
Common Causes
- • Faulty immobilizer module
- • faulty key fob
- • faulty ignition switch
- • or wiring issues
Possible Solutions
1. Check the immobilizer module for any signs of physical damage or corrosion. Replace if necessary. 2. Check the key fob for any signs of damage or wear. Replace if necessary. 3. Check the ignition switch for any signs of wear or corrosion. Replace if necessary. 4. Check the wiring harness for any signs of damage or corrosion. Repair or replace as necessary.
Fixing this on your car?
Get the exact oil type, fluid capacities, and torque specs for your specific vehicle before you start the repair.
❓ Common Questions About B0878
Can I drive with code B0878?
You can drive for a short time, but should address code B0878 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix B0878?
The estimated repair cost for code B0878 is between $100 and $500. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
Recommended Tools
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View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with B0878
B0876: Seat Adjuster Motor Fault
B0877: Exterior Lighting Malfunction
B0879: Audio System Malfunction
B0880: Airbag System Fault
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system